Memcached pipelined delete messages wrongly processed
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Key: ISPN-781
URL:
https://jira.jboss.org/browse/ISPN-781
Project: Infinispan
Issue Type: Bug
Components: Cache Server
Affects Versions: 4.2.0.BETA1, 4.1.0.Final
Reporter: Galder Zamarreño
Assignee: Galder Zamarreño
Fix For: 4.2.0.CR1, 4.2.0.Final
The code incorrectly detects the optional, unsupported, noreply parameter.
From Michal:
"The text protocol processing logic regarding delete command doesn't allow for
command pipelining:
$ echo -e "delete a\r\ndelete a\r" | nc localhost 11211
CLIENT_ERROR org.infinispan.server.core.ServerException: java.io.StreamCorruptedException:
Unable to parse noreply optional argument
the logic is as follows
1. read header "delete "
2. read key "a\r\n"
3. read parameters READS ERRONEOUSLY NEXT COMMAND: "delete a\r\n"
when sending one command only this is ok
$ echo -e "delete a\r" | nc localhost 11211
NOT_FOUND
because read parameters in step 3 just returns line ""
but makes trouble when delete command appears in the middle of the command input
stream."
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